https://www.cohenmehreye.com/blog Dry eye, keratoconus, scleral lens and myopia control articles from the doctors at Cohenmehr Optometry in West Los Angeles. en-us Thu, 29 Oct 2026 16:00:00 GMT https://www.cohenmehreye.com/post/allergy-eye-drops https://www.cohenmehreye.com/post/allergy-eye-drops Mon, 26 Oct 2026 16:00:00 GMT Allergy eye drops with an antihistamine ease itchy eyes. Compare drugstore and prescription drops, contact lens tips and when to see an eye doctor. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/anti-reflective-coating https://www.cohenmehreye.com/post/anti-reflective-coating Mon, 26 Oct 2026 16:00:00 GMT Anti-reflective coating cuts reflections on your glasses, so headlights, lamps and screens cause less glare. Learn what it can't fix and how to clean it. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/baby-eye-color-change https://www.cohenmehreye.com/post/baby-eye-color-change Mon, 26 Oct 2026 16:00:00 GMT Baby eye color change usually happens in the first months as the iris gains pigment. Learn what decides the final color and which changes need a doctor. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/blurry-vision-in-one-eye https://www.cohenmehreye.com/post/blurry-vision-in-one-eye Mon, 26 Oct 2026 16:00:00 GMT Blurry vision in one eye can come from a prescription change, dry eye, a cataract or the retina. How to tell them apart and when to get care today. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/broken-blood-vessel-in-eye https://www.cohenmehreye.com/post/broken-blood-vessel-in-eye Mon, 26 Oct 2026 16:00:00 GMT A broken blood vessel in the eye is usually harmless and fades in 7 to 14 days. What causes it, how it heals, and the signs that need a same-day exam. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/bulging-eyes https://www.cohenmehreye.com/post/bulging-eyes Mon, 26 Oct 2026 16:00:00 GMT Bulging eyes are the main symptom of thyroid eye disease, caused by Graves' disease. Other symptoms, treatments and when a bulging eye is an emergency. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/bump-on-eyelid https://www.cohenmehreye.com/post/bump-on-eyelid Mon, 26 Oct 2026 16:00:00 GMT Bump on eyelid? Styes, chalazia, xanthelasma, papillomas and molluscum compared, plus what helps and the warning signs that need an eye exam. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/burning-eyes https://www.cohenmehreye.com/post/burning-eyes Mon, 26 Oct 2026 16:00:00 GMT Burning eyes often come from dry eye, inflamed eyelids, allergies, contact lenses or irritants like smoke. See what helps and when burning is urgent. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/can-astigmatism-get-worse https://www.cohenmehreye.com/post/can-astigmatism-get-worse Mon, 26 Oct 2026 16:00:00 GMT Can astigmatism get worse? Yes, it can change over time, and a steady rise in your teens or 20s can be an early sign of keratoconus. What to watch for. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/can-you-improve-eyesight-naturally https://www.cohenmehreye.com/post/can-you-improve-eyesight-naturally Mon, 26 Oct 2026 16:00:00 GMT How to improve eyesight naturally: the habits that protect your vision, what eye exercises and vitamins can and can't do, and when a change needs an exam. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/can-you-swim-with-contacts https://www.cohenmehreye.com/post/can-you-swim-with-contacts Mon, 26 Oct 2026 16:00:00 GMT Can you swim with contacts? Take them out first. Why pool, ocean and shower water put your eyes at risk, and safer ways to see in the water. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/cataract-surgery-recovery https://www.cohenmehreye.com/post/cataract-surgery-recovery Mon, 26 Oct 2026 16:00:00 GMT Cataract surgery recovery, step by step: what to expect, when you can bend over or drive, what the drops are for, and which symptoms need a call. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/chalazion-vs-stye https://www.cohenmehreye.com/post/chalazion-vs-stye Mon, 26 Oct 2026 16:00:00 GMT Chalazion vs stye: a stye is an infected, painful bump at the lid edge; a chalazion is a blocked oil gland that is usually painless. Causes, timing, care. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/chemical-in-the-eye https://www.cohenmehreye.com/post/chemical-in-the-eye Mon, 26 Oct 2026 16:00:00 GMT Bleach in your eye? Rinse with running water for 15 to 20 minutes, call Poison Control at 1-800-222-1222, and know when to go to the emergency room. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/computer-glasses https://www.cohenmehreye.com/post/computer-glasses Mon, 26 Oct 2026 16:00:00 GMT Computer glasses are prescription lenses set for your screen distance. Who benefits, how they compare with readers and progressives, and blue light. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/contact-lens-solution https://www.cohenmehreye.com/post/contact-lens-solution Mon, 26 Oct 2026 16:00:00 GMT Hydrogen peroxide contact solution is generally preservative-free but must be neutralized. How it compares with multipurpose contact lens solution. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/contact-lens-stuck-in-eye https://www.cohenmehreye.com/post/contact-lens-stuck-in-eye Mon, 26 Oct 2026 16:00:00 GMT Contact lens stuck in eye? It can't slip behind your eye. How to loosen a stuck soft, hard or scleral lens, what not to do and when to call us. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/corneal-cross-linking-recovery https://www.cohenmehreye.com/post/corneal-cross-linking-recovery Mon, 26 Oct 2026 16:00:00 GMT Corneal cross-linking recovery, from the FDA label: the bandage lens, light sensitivity, haze that can take up to a year to clear, and when to call. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/corneal-ulcer-symptoms https://www.cohenmehreye.com/post/corneal-ulcer-symptoms Mon, 26 Oct 2026 16:00:00 GMT Corneal ulcer symptoms include worsening eye pain, redness, light sensitivity and blurry vision. Why contact lens wearers are at risk and when to call. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/daily-vs-monthly-contacts https://www.cohenmehreye.com/post/daily-vs-monthly-contacts Mon, 26 Oct 2026 16:00:00 GMT Daily vs monthly contacts compared: cleaning, infection risk and replacement, how long you can wear contacts, and why not to sleep in daily lenses. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/dilated-eye-exam https://www.cohenmehreye.com/post/dilated-eye-exam Mon, 26 Oct 2026 16:00:00 GMT A dilated eye exam lets your eye doctor check inside the eye for disease. What happens, how long pupils stay dilated, and whether you can drive after. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/do-blue-light-glasses-work https://www.cohenmehreye.com/post/do-blue-light-glasses-work Mon, 26 Oct 2026 16:00:00 GMT Do blue light glasses work? Trials show they may not ease digital eye strain, and sleep results are mixed. Here's what does help tired eyes at a screen. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/does-drinking-water-help-dry-eyes https://www.cohenmehreye.com/post/does-drinking-water-help-dry-eyes Mon, 26 Oct 2026 16:00:00 GMT Does drinking water help dry eyes? It helps if you're low on fluids, but it can't unclog oil glands. How much to drink, and when blurry vision is urgent. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/double-vision https://www.cohenmehreye.com/post/double-vision Mon, 26 Oct 2026 16:00:00 GMT Double vision that goes away when you cover either eye usually means the eyes are out of line. What else causes it, and when to call 911. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/dry-eyes-after-cataract-surgery https://www.cohenmehreye.com/post/dry-eyes-after-cataract-surgery Mon, 26 Oct 2026 16:00:00 GMT Dry eyes after cataract surgery: why the eye can feel dry while it heals, what helps, and which symptoms need a call to your eye doctor right away. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/dry-eyes-at-night https://www.cohenmehreye.com/post/dry-eyes-at-night Mon, 26 Oct 2026 16:00:00 GMT Dry eyes at night often come from lids that don't fully close, fans and vents, and evening screens. Why mornings start dry, and what helps at bedtime. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/dry-eyes-during-pregnancy https://www.cohenmehreye.com/post/dry-eyes-during-pregnancy Mon, 26 Oct 2026 16:00:00 GMT Dry eyes during pregnancy are linked to hormone changes. What helps, what FDA labels say about dry eye drops, and which vision changes need care now. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/early-signs-of-cataracts https://www.cohenmehreye.com/post/early-signs-of-cataracts Mon, 26 Oct 2026 16:00:00 GMT Early signs of cataracts: often none at first, then cloudy or blurry vision, faded colors, glare, halos and poor night vision. When to get checked. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/early-signs-of-glaucoma https://www.cohenmehreye.com/post/early-signs-of-glaucoma Mon, 26 Oct 2026 16:00:00 GMT Most glaucoma has no early signs you can feel. Learn the early signs of glaucoma an eye exam finds, who is at risk and which symptoms need care today. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/epioxa-epi-on-cross-linking https://www.cohenmehreye.com/post/epioxa-epi-on-cross-linking Mon, 26 Oct 2026 16:00:00 GMT Epioxa is FDA-approved epi-on cross-linking for keratoconus. Who it's approved for, how it differs from epi-off, what trials showed, and side effects. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/eye-discharge https://www.cohenmehreye.com/post/eye-discharge Mon, 26 Oct 2026 16:00:00 GMT Learn what clear, white, yellow and green eye discharge can mean, how to clean eye boogers safely, and when discharge needs a same-day visit. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/eye-drops-for-red-eyes https://www.cohenmehreye.com/post/eye-drops-for-red-eyes Mon, 26 Oct 2026 16:00:00 GMT Eye drops for red eyes sold as redness relievers narrow blood vessels. How Lumify differs, its side effects, rebound redness, and when to see a doctor. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/eye-floaters-treatment https://www.cohenmehreye.com/post/eye-floaters-treatment Mon, 26 Oct 2026 16:00:00 GMT Eye floaters treatment explained: why most floaters need none, when vitrectomy is considered, natural remedies, and when to be seen the same day. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eye-herpes https://www.cohenmehreye.com/post/eye-herpes Mon, 26 Oct 2026 16:00:00 GMT Eye herpes is a cold sore virus infection of the eye. Its symptoms, how antiviral treatment works, why steroid drops need an exam, and when to call us. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eye-infection-symptoms https://www.cohenmehreye.com/post/eye-infection-symptoms Mon, 26 Oct 2026 16:00:00 GMT Eye infection symptoms include redness, discharge, swelling and pain. How pink eye, styes, keratitis and herpes differ, and which signs need care today. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eye-myths https://www.cohenmehreye.com/post/eye-myths Mon, 26 Oct 2026 16:00:00 GMT Does reading in the dark hurt your eyes? No, says the National Eye Institute. What the evidence says about TV distance, carrots, screens and crossed eyes. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eye-strain-headache https://www.cohenmehreye.com/post/eye-strain-headache Mon, 26 Oct 2026 16:00:00 GMT An eye strain headache builds during long screen, reading or close-work sessions. Learn the causes, what relieves tired eyes and when a headache is urgent. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/eye-stroke-symptoms https://www.cohenmehreye.com/post/eye-stroke-symptoms Mon, 26 Oct 2026 16:00:00 GMT An eye stroke causes sudden, painless vision loss in one eye. The symptoms, why to call 911 right away, and what it means for your stroke risk. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eye-twitching-that-wont-stop https://www.cohenmehreye.com/post/eye-twitching-that-wont-stop Mon, 26 Oct 2026 16:00:00 GMT Eye twitching for weeks deserves an eye exam. Learn how blepharospasm and hemifacial spasm differ from an everyday twitch and how each is treated. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/eyelid-dermatitis https://www.cohenmehreye.com/post/eyelid-dermatitis Mon, 26 Oct 2026 16:00:00 GMT Eyelid dermatitis makes the skin of the lids red, itchy and dry. Learn the common triggers, from makeup to hair dye, and how to treat it safely. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/feels-like-something-in-my-eye https://www.cohenmehreye.com/post/feels-like-something-in-my-eye Mon, 26 Oct 2026 16:00:00 GMT Feels like something in my eye but nothing is there? Dry eye, blepharitis, a lash rubbing the eye or a healing scratch are common causes. See what helps. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/fish-oil-for-dry-eyes https://www.cohenmehreye.com/post/fish-oil-for-dry-eyes Mon, 26 Oct 2026 16:00:00 GMT Fish oil for dry eyes: in an NEI-funded trial of 535 people, omega-3 pills worked no better than placebo. What that means and what helps instead. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/floaters-after-cataract-surgery https://www.cohenmehreye.com/post/floaters-after-cataract-surgery Mon, 26 Oct 2026 16:00:00 GMT Floaters after cataract surgery: why you may notice more, how a retinal tear shows up, and which changes need a same-day eye exam. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/glaucoma-vs-cataracts https://www.cohenmehreye.com/post/glaucoma-vs-cataracts Mon, 26 Oct 2026 16:00:00 GMT Glaucoma vs cataracts: a cataract clouds the lens, and glaucoma damages the optic nerve. Compare symptoms, risks, treatment and which vision loss lasts. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/halloween-contacts https://www.cohenmehreye.com/post/halloween-contacts Mon, 26 Oct 2026 16:00:00 GMT Halloween contacts are medical devices that need an eye exam and a prescription. Where to buy them safely, how to wear them, and when an eye needs care. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/halos-around-lights https://www.cohenmehreye.com/post/halos-around-lights Mon, 26 Oct 2026 16:00:00 GMT Halos around lights can come from an outdated prescription, cataracts or LASIK, and sometimes signal an emergency. Learn the causes and warning signs. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/heated-eye-mask-for-dry-eyes https://www.cohenmehreye.com/post/heated-eye-mask-for-dry-eyes Mon, 26 Oct 2026 16:00:00 GMT A heated eye mask warms the oil glands in your eyelids so tears last longer. How to use one for dry eyes, for how long, and when it isn't enough. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/how-common-is-keratoconus https://www.cohenmehreye.com/post/how-common-is-keratoconus Mon, 26 Oct 2026 16:00:00 GMT How common is keratoconus? MedlinePlus puts it at 1 in 500 to 2,000 people worldwide. Who tends to get it, and how early cases are found. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-fast-does-keratoconus-progress https://www.cohenmehreye.com/post/how-fast-does-keratoconus-progress Mon, 26 Oct 2026 16:00:00 GMT How fast does keratoconus progress? It usually starts in the teens and may change for 10 to 20 years. Signs it's getting worse, and how it's measured. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-to-clean-your-eyelids https://www.cohenmehreye.com/post/how-to-clean-your-eyelids Mon, 26 Oct 2026 16:00:00 GMT How to clean your eyelids step by step, whether eyelid wipes work, which cleanser to use, how often, and when blepharitis needs more than home care. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/how-to-get-something-out-of-your-eye https://www.cohenmehreye.com/post/how-to-get-something-out-of-your-eye Mon, 26 Oct 2026 16:00:00 GMT How to get something out of your eye: don't rub, let tears work, then rinse gently. Learn what never to do and when a speck needs a doctor today. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/hypertensive-retinopathy https://www.cohenmehreye.com/post/hypertensive-retinopathy Mon, 26 Oct 2026 16:00:00 GMT Hypertensive retinopathy is damage to the retina's blood vessels from high blood pressure. Its symptoms, the readings that mean 911, and its treatment. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/is-keratoconus-a-disability https://www.cohenmehreye.com/post/is-keratoconus-a-disability Mon, 26 Oct 2026 16:00:00 GMT Is keratoconus a disability? It depends on the program. What Social Security, the ADA, the EEOC and California's DMV say about vision and lenses. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/itchy-eyelids https://www.cohenmehreye.com/post/itchy-eyelids Mon, 26 Oct 2026 16:00:00 GMT Common causes of itchy eyelids include blepharitis, eye allergies and product reactions. Learn the signs of each, what helps, and when to see a doctor. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/keratoconus-glasses https://www.cohenmehreye.com/post/keratoconus-glasses Mon, 26 Oct 2026 16:00:00 GMT Keratoconus glasses can correct early, mild changes. Once the cornea is irregular, specialty lenses work better. When glasses still help, and why. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/keratoconus-surgery https://www.cohenmehreye.com/post/keratoconus-surgery Mon, 26 Oct 2026 16:00:00 GMT Keratoconus surgery explained: what cross-linking, Intacs and corneal transplants each do, who they're for, and why lenses still matter afterward. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/lasik-vs-prk-vs-smile https://www.cohenmehreye.com/post/lasik-vs-prk-vs-smile Mon, 26 Oct 2026 16:00:00 GMT LASIK vs PRK vs SMILE: how each reshapes the cornea, the first days after, who qualifies, where an ICL fits, and how we co-manage care with your surgeon. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/latisse-and-your-eyes https://www.cohenmehreye.com/post/latisse-and-your-eyes Mon, 26 Oct 2026 16:00:00 GMT Latisse side effects include itchy, red eyes and darker eyelid skin, and it can turn the iris browner, likely for good. What to know before you start. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/light-sensitivity https://www.cohenmehreye.com/post/light-sensitivity Mon, 26 Oct 2026 16:00:00 GMT Light sensitivity (photophobia) can come from dry eye, a scratched cornea, uveitis or migraine. Learn the causes and which ones need same-day care. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/macular-degeneration-symptoms https://www.cohenmehreye.com/post/macular-degeneration-symptoms Mon, 26 Oct 2026 16:00:00 GMT Macular degeneration symptoms by stage: central blur, wavy lines, blank spots, faded colors. What AMD vision looks like and when to call right away. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/miebo-eye-drops https://www.cohenmehreye.com/post/miebo-eye-drops Mon, 26 Oct 2026 16:00:00 GMT Miebo eye drops are a prescription dry eye drop meant to slow tear evaporation. How they work, what the studies found, side effects and how to use them. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/night-driving-glasses https://www.cohenmehreye.com/post/night-driving-glasses Mon, 26 Oct 2026 16:00:00 GMT Yellow night driving glasses filter out light your eyes need after dark. What helps with headlight glare and halos instead, and when to get checked. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/ocular-migraine https://www.cohenmehreye.com/post/ocular-migraine Mon, 26 Oct 2026 16:00:00 GMT An ocular migraine brings zigzag lines or a shimmering blind spot, usually for under an hour. How to tell aura from retinal migraine, and when to call 911. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/optic-neuritis https://www.cohenmehreye.com/post/optic-neuritis Mon, 26 Oct 2026 16:00:00 GMT Optic neuritis is inflammation of the optic nerve that dims vision in one eye and hurts when the eye moves. Learn the causes, the MS link and recovery. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/optometrist-vs-ophthalmologist https://www.cohenmehreye.com/post/optometrist-vs-ophthalmologist Mon, 26 Oct 2026 16:00:00 GMT Optometrist vs ophthalmologist: how their training and scope differ, what opticians do, and which eye doctor to see for exams, eye disease or surgery. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/pain-behind-the-eye https://www.cohenmehreye.com/post/pain-behind-the-eye Mon, 26 Oct 2026 16:00:00 GMT Pain behind the eye can be a migraine, tension or cluster headache, sinusitis or eye strain. Learn the signs that point to optic neuritis or glaucoma. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/photochromic-lenses https://www.cohenmehreye.com/post/photochromic-lenses Mon, 26 Oct 2026 16:00:00 GMT Photochromic lenses, often called transition lenses, darken in sunlight and clear indoors. How they work, where they fall short, and who they suit. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/pink-eye-in-toddlers https://www.cohenmehreye.com/post/pink-eye-in-toddlers Mon, 26 Oct 2026 16:00:00 GMT Pink eye in toddlers is often mild, but some signs need a doctor. Learn the symptoms, when antibiotics help and when your child can go back to daycare. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/pink-eye-vs-allergies https://www.cohenmehreye.com/post/pink-eye-vs-allergies Mon, 26 Oct 2026 16:00:00 GMT Pink eye vs allergies: itching in both eyes points to allergy, while sticky discharge or a recent cold points to infection. How a stye differs, too. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/posterior-vitreous-detachment https://www.cohenmehreye.com/post/posterior-vitreous-detachment Mon, 26 Oct 2026 16:00:00 GMT Posterior vitreous detachment (PVD) is a common age-related change that can bring floaters and flashes. The symptoms, the risks and why it needs an exam. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/preservative-free-eye-drops https://www.cohenmehreye.com/post/preservative-free-eye-drops Mon, 26 Oct 2026 16:00:00 GMT Preservative-free eye drops leave out additives that can irritate eyes with frequent use. Who needs them, vials or bottles, and how to keep drops clean. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/progressive-lenses-vs-bifocals https://www.cohenmehreye.com/post/progressive-lenses-vs-bifocals Mon, 26 Oct 2026 16:00:00 GMT Progressive lenses vs bifocals: how each one corrects near vision after 40, what getting used to progressives involves, and which suits your day. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/reading-glasses-strength https://www.cohenmehreye.com/post/reading-glasses-strength Mon, 26 Oct 2026 16:00:00 GMT Reading glasses strength is measured in diopters. How to find your power, why it creeps up with age, and when prescription readers make more sense. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/retinal-detachment-symptoms https://www.cohenmehreye.com/post/retinal-detachment-symptoms Mon, 26 Oct 2026 16:00:00 GMT Retinal detachment symptoms include a burst of new floaters, flashes of light and a shadow over your vision. What each sign means and when to act. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/sudden-blurry-vision https://www.cohenmehreye.com/post/sudden-blurry-vision Mon, 26 Oct 2026 16:00:00 GMT Sudden blurry vision can signal a stroke, an eye emergency or something minor like dry eye. See which signs mean 911, same-day care or a routine exam. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/surfers-eye https://www.cohenmehreye.com/post/surfers-eye Mon, 26 Oct 2026 16:00:00 GMT Surfer's eye is a pterygium, a growth on the eye linked to years of UV light. The symptoms, how it's treated and how to protect your eyes on the water. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/swollen-eyelid https://www.cohenmehreye.com/post/swollen-eyelid Mon, 26 Oct 2026 16:00:00 GMT A swollen eyelid is often a stye, an allergy or blepharitis. Learn the common causes, what helps at home, and the warning signs that need care today. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/toric-contact-lenses https://www.cohenmehreye.com/post/toric-contact-lenses Mon, 26 Oct 2026 16:00:00 GMT Toric contact lenses correct astigmatism and come as daily or reusable lenses. Who can wear them, how they're fitted, and options beyond a soft toric. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/unequal-pupils https://www.cohenmehreye.com/post/unequal-pupils Mon, 26 Oct 2026 16:00:00 GMT Unequal pupils (anisocoria) can be harmless, but a new difference with a droopy eyelid, double vision or severe headache needs 911. Causes and next steps. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/vevye-eye-drops https://www.cohenmehreye.com/post/vevye-eye-drops Mon, 26 Oct 2026 16:00:00 GMT Vevye is a water-free cyclosporine 0.1% eye drop for dry eye disease. How it works, how it compares with Restasis and Cequa, and its side effects. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/visual-snow-syndrome https://www.cohenmehreye.com/post/visual-snow-syndrome Mon, 26 Oct 2026 16:00:00 GMT Visual snow syndrome makes you see constant tiny flickering dots, like TV static. What causes it, how it's diagnosed, what helps and when to get checked. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/wet-macular-degeneration https://www.cohenmehreye.com/post/wet-macular-degeneration Mon, 26 Oct 2026 16:00:00 GMT Wet macular degeneration can take central vision fast. How it differs from dry AMD, its warning signs, and how anti-VEGF eye injections treat it. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/what-is-20-20-vision https://www.cohenmehreye.com/post/what-is-20-20-vision Mon, 26 Oct 2026 16:00:00 GMT What is 20/20 vision? It means normal sharpness of sight at 20 feet. Learn what 20/40 and 20/200 mean and why 20/20 isn't the same as perfect vision. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/why-are-my-eyes-always-red https://www.cohenmehreye.com/post/why-are-my-eyes-always-red Mon, 26 Oct 2026 16:00:00 GMT Why are my eyes always red? Usually dry eye, allergies, blepharitis, contact lens overwear or redness drops. What helps, and which red eyes are urgent. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/why-do-my-eyes-hurt https://www.cohenmehreye.com/post/why-do-my-eyes-hurt Mon, 26 Oct 2026 16:00:00 GMT Why do my eyes hurt? Dry eye, a scratch, a stye or an infection can all cause it. Learn the clues and which eye pain needs same-day care. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/why-is-my-eye-twitching https://www.cohenmehreye.com/post/why-is-my-eye-twitching Mon, 26 Oct 2026 16:00:00 GMT Common eye twitching causes include stress, caffeine, short sleep and dry eyes. Learn how to stop a twitching eyelid and when it needs an exam. Dr. Kevin Cohenmehr, OD https://www.cohenmehreye.com/post/xanthelasma https://www.cohenmehreye.com/post/xanthelasma Mon, 26 Oct 2026 16:00:00 GMT Xanthelasma are yellowish cholesterol patches on the eyelids. Learn what they can say about your cholesterol and heart, and how they're removed. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/xdemvy-for-demodex https://www.cohenmehreye.com/post/xdemvy-for-demodex Mon, 26 Oct 2026 16:00:00 GMT Xdemvy (lotilaner 0.25%) is a prescription eye drop for Demodex blepharitis from eyelash mites. How it works, study results, side effects and tea tree oil. Dr. Bijan Cohenmehr, OD https://www.cohenmehreye.com/post/accutane-and-chronic-dry-eye-how-meibomian-gland-imaging-and-ipl-can-protect-your-eyes https://www.cohenmehreye.com/post/accutane-and-chronic-dry-eye-how-meibomian-gland-imaging-and-ipl-can-protect-your-eyes Tue, 29 Sep 2026 16:00:00 GMT Accutane (isotretinoin) can affect the meibomian glands and lead to chronic dry eye. How meibography, IPL and gland expression help protect the glands. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/understanding-myopia-control-and-its-importance-for-eye-health-at-cohenmehr-optometry https://www.cohenmehreye.com/post/understanding-myopia-control-and-its-importance-for-eye-health-at-cohenmehr-optometry Wed, 16 Sep 2026 16:00:00 GMT Why managing myopia matters for lifelong eye health, and the options at Cohenmehr Optometry: Ortho-K, atropine eye drops and specialty lenses. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/combating-dry-eye-at-every-level-advanced-diagnostics-and-personalized-treatments-in-west-los-angel https://www.cohenmehreye.com/post/combating-dry-eye-at-every-level-advanced-diagnostics-and-personalized-treatments-in-west-los-angel Wed, 09 Sep 2026 16:00:00 GMT Dry eye care that starts with testing: tear volume, tear stability, gland imaging and blink quality, then Vevye, IPL, OptiLIFT and more in West LA. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/what-does-keratoconus-vision-look-like-ghosting-halos-double-vision-and-more https://www.cohenmehreye.com/post/what-does-keratoconus-vision-look-like-ghosting-halos-double-vision-and-more Sun, 06 Sep 2026 16:00:00 GMT What does keratoconus vision look like? The common symptoms and visual distortions, how it is diagnosed, and the treatments that restore clearer vision. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/why-are-my-eyes-watering-all-the-time-it-might-actually-be-dry-eye https://www.cohenmehreye.com/post/why-are-my-eyes-watering-all-the-time-it-might-actually-be-dry-eye Sun, 06 Sep 2026 16:00:00 GMT Watery eyes are often a sign of dry eye disease. How reflex tearing works, the common causes of chronic tearing, and the treatments that stop it. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-are-my-dry-irritated-eyes-related-to-rosacea-and-meibomian-gland-dysfunction https://www.cohenmehreye.com/post/how-are-my-dry-irritated-eyes-related-to-rosacea-and-meibomian-gland-dysfunction Mon, 31 Aug 2026 16:00:00 GMT Rosacea can inflame the eyelids and disrupt the meibomian glands, causing evaporative dry eye. How it is diagnosed and treated, including IPL. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/top-dry-eye-treatments-in-2026-a-comprehensive-guide https://www.cohenmehreye.com/post/top-dry-eye-treatments-in-2026-a-comprehensive-guide Thu, 27 Aug 2026 16:00:00 GMT Dry eye treatments in 2026, compared: IPL, OptiLIFT, punctal plugs, scleral lenses, and prescription drops from Restasis and Cequa to Miebo and Tryptyr. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-can-i-protect-my-eye-that-can-t-close-due-to-bell-s-palsy-or-facial-nerve-damage-scleral-lenses https://www.cohenmehreye.com/post/how-can-i-protect-my-eye-that-can-t-close-due-to-bell-s-palsy-or-facial-nerve-damage-scleral-lenses Wed, 26 Aug 2026 16:00:00 GMT Bell's palsy or facial nerve damage can keep one eye from closing. How saline-filled scleral lenses protect the cornea from drying and damage. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/why-do-i-wake-up-with-crusty-irritated-blurry-eyes-poor-lid-closure https://www.cohenmehreye.com/post/why-do-i-wake-up-with-crusty-irritated-blurry-eyes-poor-lid-closure Sun, 23 Aug 2026 16:00:00 GMT The real reason you wake up with dry, crusty, red or blurry eyes is often poor lid closure during sleep, not simple dry eye. How it is found and treated. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-long-after-a-corneal-transplant-can-i-be-refitted-into-scleral-lenses https://www.cohenmehreye.com/post/how-long-after-a-corneal-transplant-can-i-be-refitted-into-scleral-lenses Sun, 16 Aug 2026 16:00:00 GMT After a corneal transplant, scleral lenses often need to be refit for the new corneal shape. When it is safe, and how the fitting is done at Cohenmehr. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-scleral-lenses-help-relieve-eye-pain-and-restore-vision-after-stevens-johnson-syndrome https://www.cohenmehreye.com/post/how-scleral-lenses-help-relieve-eye-pain-and-restore-vision-after-stevens-johnson-syndrome Sun, 16 Aug 2026 16:00:00 GMT Stevens-Johnson syndrome can leave corneal damage and chronic eye pain. How scleral lenses shield the surface, relieve pain and restore usable vision. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/post-lasik-ectasia-how-specialty-contact-lenses-help-this-rare-complication https://www.cohenmehreye.com/post/post-lasik-ectasia-how-specialty-contact-lenses-help-this-rare-complication Sun, 16 Aug 2026 16:00:00 GMT Post-LASIK ectasia is a rare complication that thins the cornea and worsens vision after LASIK. How scleral and specialty lenses restore clear vision. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/scleral-lenses-for-dry-eye-relief-a-vision-correcting-solution-that-can-help-when-other-options-fai https://www.cohenmehreye.com/post/scleral-lenses-for-dry-eye-relief-a-vision-correcting-solution-that-can-help-when-other-options-fai Sun, 16 Aug 2026 16:00:00 GMT For patients who fail traditional dry eye treatments like punctal plugs, IPL and cyclosporine drops, scleral lenses bathe the cornea in saline all day. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/can-you-restore-vision-after-ocular-shingles-related-corneal-scarring https://www.cohenmehreye.com/post/can-you-restore-vision-after-ocular-shingles-related-corneal-scarring Sun, 02 Aug 2026 16:00:00 GMT Ocular shingles and herpetic eye infections can cause corneal scarring and poor vision. How scleral lenses restore clearer vision over a scarred cornea. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/how-scleral-lenses-helped-sabreena-drive-at-night-with-keratoconus https://www.cohenmehreye.com/post/how-scleral-lenses-helped-sabreena-drive-at-night-with-keratoconus Sun, 02 Aug 2026 16:00:00 GMT Keratoconus causes glare and halos that make night driving hard. How custom scleral lenses helped our patient Sabreena drive at night again. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/non-surgical-face-lift-improving-dry-eye-and-cosmetics-at-the-same-time-with-optilift-treatment-in https://www.cohenmehreye.com/post/non-surgical-face-lift-improving-dry-eye-and-cosmetics-at-the-same-time-with-optilift-treatment-in Sun, 26 Jul 2026 16:00:00 GMT OptiLIFT is a dry eye treatment that treats poor lid closure and improves blink mechanics, with a non-surgical cosmetic lift as a side benefit. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/intense-pulsed-light-for-dry-eye-how-meibomian-gland-imaging-improve-results https://www.cohenmehreye.com/post/intense-pulsed-light-for-dry-eye-how-meibomian-gland-imaging-improve-results Mon, 20 Jul 2026 16:00:00 GMT Intense pulsed light is an in-office treatment for meibomian gland dry eye. How meibography guides IPL for better results at Cohenmehr Optometry in LA. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/keratoconus-relief-with-scleral-lenses-and-icontour-technology-by-dr-brandon-cohenmehr https://www.cohenmehreye.com/post/keratoconus-relief-with-scleral-lenses-and-icontour-technology-by-dr-brandon-cohenmehr Mon, 20 Jul 2026 16:00:00 GMT Scleral lenses for keratoconus come in many kinds. When traditional sclerals fail, a freeform design from Eaglet Eye Surface Profiler mapping can help. Dr. Brandon Cohenmehr, OD https://www.cohenmehreye.com/post/optilift-for-poor-eyelid-closure-dry-eye-and-lagophthalmos-improving-lower-eyelid-sagging-bags https://www.cohenmehreye.com/post/optilift-for-poor-eyelid-closure-dry-eye-and-lagophthalmos-improving-lower-eyelid-sagging-bags Mon, 20 Jul 2026 16:00:00 GMT How OptiLIFT treats poor eyelid closure (lagophthalmos) and the dry eye it causes, while improving lower-lid sagging, bags and circles. Los Angeles. Dr. Brandon Cohenmehr, OD